USAF to Retire B-1, B-2 in Early 2030s as B-21 Comes On-Line | Air & Space Forces Magazine
US unveils $700m, next-generation B-21 nuclear bomber | Military News | Al Jazeera
B-1 and B-2 aircraft integrate in high north > U.S. Strategic Command > News Article View
Air Force's new B-21 Raider stealth bomber first flight over Palmdale - Los Angeles Times
The Invisible Anniversary Of The B-2 Bomber
This Deadly Version of the B-1 Bomber Could Kill Aircraft Carriers
In First, Air Force Flies B-1 Bomber with Externally Mounted Stealthy Cruise Missile | Military.com
Northrop Grumman B-21 Raider - Wikipedia
America's New Stealth Bomber has a Stealthy Price Tag - Defense One
The Dawn of the B-21 Raider: A New Stealth Bomber Takes Flight
The secret's out: Pentagon unveils its newest stealth bomber - POLITICO
Northrop Grumman unveils B-21 nuclear bomber for U.S. Air Force | Reuters
Will the B-21 Stealth Bomber Force the B-1 Bomber Into Retirement? | The National Interest
What we know about new US B-21 stealth bomber, first in 30 years | Weapons News | Al Jazeera
B-2 Stealth Bomber is grounded for Rose Parade; Here's Plan B (1) – Pasadena Star News
What is the Difference in The B-1 and B-2 Bombers? | Military Machine
Northrop Grumman B-2 Spirit - Wikipedia
The B-1 Bomber Is Headed for Retirement. And the Stealth B-21 Will Take Its Place. | The National Interest
B-1 | Description, Speed, Payload, & Facts | Britannica
Rockwell B-1 Lancer - Wikipedia
New B-21 stealth bomber set for take off - Asia Times
